/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.jena.sparql.modify;

import static org.junit.jupiter.api.Assertions.assertEquals;

import org.junit.jupiter.api.Test;

import org.apache.jena.atlas.lib.StrUtils;
import org.apache.jena.update.UpdateFactory;
import org.apache.jena.update.UpdateRequest;

public class TestUpdateCompare {
    @Test public void updateCompare01()     { test("INSERT DATA {}"); }
    @Test public void updateCompare02()     { test("INSERT DATA {<s> <p> <o>}"); }
    @Test public void updateCompare03()     { test("INSERT DATA {<s> <p> _:a}", "INSERT DATA {<s> <p> _:b}"); }
    @Test public void updateCompare04()     { test("INSERT DATA {<s> <p> _:a; <p> 123 }", "INSERT DATA {<s> <p> _:b . <s> <p> 123 }"); }
    @Test public void updateCompare05()     { test("INSERT DATA {<s> <p> _:a; <p> 123 }", "INSERT DATA {<s> <p> 123 . <s> <p> _:b .  }", false); }

    @Test public void updateCompare06()     { test("DELETE DATA {}", "INSERT DATA {}", false); }
    @Test public void updateCompare07()     { test("DELETE DATA {<s> <p> <o>}", "DELETE DATA {<s> <p> <o>}"); }

    @Test public void updateCompare08()     { test("DELETE {} INSERT {} WHERE {}"); }
    @Test public void updateCompare09()     { test("DELETE {<s> <p> ?v} INSERT {<s> <t> _:a } WHERE { <s> <p> _:a }"); }

    @Test public void updateCompare10()     { test("PREFIX : <http://example/> INSERT DATA { :s :p :o }"); }
    @Test public void updateCompare11()     { test("PREFIX : <http://example/> INSERT DATA { :s :p :o }",
                                                   "PREFIX ex: <http://example/> INSERT DATA { ex:s ex:p ex:o }",
                                                   false); }

    @Test public void updateCompare20()     {
        String u1 = StrUtils.strjoinNL("PREFIX : <http://example/>",
                                       "WITH :g1 INSERT { :s :p :o } WHERE {}");
        test(u1);
    }

    @Test public void updateCompare21()     {
        String u1 = "PREFIX : <http://example/> WITH :AAA INSERT { } WHERE {}";
        String u2 = "PREFIX : <http://example/> WITH :ZZZ INSERT { } WHERE {}";
        test(u1, u2, false);
    }

    @Test public void updateCompare22()     {
        String u1 = "PREFIX : <http://example/> DELETE { } USING :G WHERE {}";
        test(u1);
    }

    @Test public void updateCompare23()     {
        String u1 = "PREFIX : <http://example/> DELETE { } USING :G WHERE {}";
        String u2 = "PREFIX : <http://example/> DELETE { } USING :X WHERE {}";
        test(u1, u2, false);
    }

    @Test public void updateCompare24()     {
        String u1 = "PREFIX : <http://example/> DELETE { } USING NAMED :G WHERE {}";
        test(u1);
    }

    @Test public void updateCompare25()     {
        String u1 = "PREFIX : <http://example/> DELETE { } USING NAMED :G WHERE {}";
        String u2 = "PREFIX : <http://example/> DELETE { } USING :G WHERE {}";
        test(u1, u2, false);
    }

    private void test(String updateString) {
        test(updateString, updateString, true);
    }

    private void test(String updateString1, String updateString2) {
        test(updateString1, updateString2, true);
    }

    private void test(String updateString1, String updateString2, boolean isomorphic) {
        UpdateRequest update1 = UpdateFactory.create(updateString1);
        UpdateRequest update2 = UpdateFactory.create(updateString2);
        test(update1, update2, isomorphic);
    }

    private void test(UpdateRequest update1, UpdateRequest update2, boolean isomorphic) {
        boolean b = UpdateCompare.isomorphic(update1, update2);
        assertEquals(b, isomorphic, ()->update1.toString());
    }
}

